<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
    <style>
        video {
            width: 80%;
        }
    </style>
</head>
<body>
    <video src="./exp.mp4" controls></video>
    <p id="x5"></p>
    <p>
        default模式：如果安装了x5, 视频点击后会全屏播放
    </p>

    <script src="./x5.js"></script>
    <script>
        document.getElementById('x5').innerHTML = '是否安装了tbs/x5: ' + (isX5() ? '是' : '否')
    </script>
</body>
</html>